ESP32 gateway pinout

Hi
I'm trying to get a gateway with ESP32 devkit V1.0 to work. I have an ESP8266 GW working but want some extra pins for traffic light to work and perhaps better speed etc.
I found a pinout in 'MyHWESP32.h' as below but I always get confused refeering to pin number. I assume the numbers refeers to GPIO number ?. I use an adapter for the radio to get extra juice and power the adapter from the Vin pin (5V from USB) but I can't get radio to work.
Checked and rechecked wiring.

Hi
Thank's for answer. RF24 isn't a wifi radio, work's like RFM I believe.
I'm building a Mysensors gateway with lan for Domoticz and as I said with Esp8266 it works and I've used the example sketch for Esp32 GW so I must made some fault. I'll try and error but if someone have tips I appreciate comment's

@hakha4
I take it back, the sketches work. The problem was solved as follows: connected the radio to the output of nodemcu 3.3 V. before that, the radio was on a separate power line. I think the esp32 is very power sensitive, I think it was a level mismatch on the SPI pins.